Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Karel Ing Adamek, Vladimir Ing LibanskyfiledCriticalKarel Ing Adamek
Priority to CS832743ApriorityCriticalpatent/CS243722B1/en
Publication of CS274383A1publicationCriticalpatent/CS274383A1/en
Publication of CS243722B1publicationCriticalpatent/CS243722B1/en